Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Activities
Net income	$ 23,751	$ 18,864	$ 12,315
Items not requiring cash
Provision for loan losses	1,950	2,120	1,220
Depreciation and amortization	6,689	5,634	4,278
Deferred income tax	(277)	3,465	3,562
Increase in cash value of life insurance	(1,239)	(1,239)	(1,113)
Net accretion of purchase accounting adjustments	31	(439)	264
Loans originated for sale	(216,107)	(122,172)	(116,887)
Proceeds from sales of loans held for sale	212,063	125,450	119,711
Net gain on sale of loans	(5,871)	(3,126)	(3,887)
Net gain on sale of securities, available for sale	(1,014)	(804)	(708)
Gain on bank owned life insurance	(738)	(327)
Loss on sale of other real estate and repossessed assets	19	43	122
Change in
Interest receivable and other assets	3,562	(1,798)	619
Interest payable and other liabilities	(2,302)	1,293	287
Other adjustments	231	164	259
Net cash provided by operating activities	20,748	27,128	20,042
Investing Activities
Net change in interest-bearing time deposits	743	6,361	(860)
Purchases of securities, available for sale	(76,520)	(108,809)	(86,499)
Proceeds from maturities and paydowns of securities, available for sale	44,156	31,920	26,622
Proceeds from sales of securities, available for sale	30,833	67,002	34,592
Purchase of Federal Home Loan Bank stock	(81)	(214)	(258)
Net change in loans	(27,333)	(66,903)	(32,901)
Net cash and cash equivalents paid in acquisition		(7,673)
Proceeds from sales of portfolio loans	26,624		18,543
Purchases of premises and equipment	(1,538)	(1,466)	(1,809)
Proceeds from sale of real estate owned and repossessed assets	2,703	1,598	980
Proceeds from bank owned life insurance	1,397	1,669
Proceeds from sale of premises and equipment	375	67
Net cash provided by (used in) investing activities	1,359	(76,273)	(41,079)
Net change in
Noninterest-bearing, interest-bearing demand and savings deposits	20,041	(33,214)	50,235
Certificates of deposit	14,071	35,176	(1,583)
Proceeds from FHLB advances	397,700	545,500	414,700
Repayments of FHLB advances	(444,419)	(495,808)	(438,128)
Proceeds from other borrowings		10,000
Repayments of other borrowings	(515)	(335)
Cash dividends	(6,860)	(6,354)	(4,862)
Stock options exercised	1,046	253	1,156
Stock repurchased	(4,262)
Net cash provided by (used in) financing activities	(23,198)	55,218	21,518
Net Change in Cash and Cash Equivalents	(1,091)	6,073	481
Cash and Cash Equivalents, Beginning of Period	33,414	27,341	26,860
Cash and Cash Equivalents, End of Period	32,323	33,414	27,341
Additional Cash Flows Information
Interest paid	21,036	15,972	10,505
Income tax paid	1,500	350	2,500
Transfers from loans to loans held for sale	26,937
Transfers from loans to foreclosed assets	2,414	1,879	624
Mortgage servicing rights capitalized	818	438	$ 549
Right of use assets obtained in exchange for lease obligations	$ 3,603
Fair value of assets acquired		406,558
Cash paid in acquisition		(18,999)
Common stock issued		(42,323)
Liabilities assumed		$ 345,236